Justify the following statements on the basis of external features :
(i) Underground parts of a plant are not always roots.
(ii) Flower is a modified/shoot.

Justify the following statements : An exothermic reaction is always thermodyamically spontaneous.

Justify the following statements : Reaction with Delta G^() lt 0 always have an equilibrium constant greater than 1.

State whether the following statements are true or false. Justify your answers. (i) All hexagons are polygons.

Correct the following statements and rewrite them in your notebook. The number of petals and stamens in a flower is always equal.

Which one of the following statements regarding post-fertilization development in flowering plants is incorrect?

State whether the following statements are true or false. Justify your answers. (ii) Some polygons are pentagons.

Which of the following statements are the functions of a medullary ray in plants ? (i) Absorption (ii) Secondary growth (iii) Transmission of water and food (iv) Seat of origin or inter-fascicular cambium

State whether the following statements are true or false. Justify your answers. (ii) Every rational number is a real number.

Consider the following statements and choose the correct option (i) The genetic constitution of a plant is unaffected in vegetative propagation (ii) Rhizome in ginger serves as an organ of vegetative reproduction (iii) Totipotency of cells enables us to micropropagate plants